Reasonably
From BiblePortal Wikipedia
King James Dictionary [1]
Re'Asonably, adv.
1. In a manner or degree agreeable to reason in consistency with reason. We may reasonably suppose self interest to be the governing principle of men. 2. Moderately in a moderate degree not fully in a degree reaching to mediocrity.
If we can be industry make our deaf and dumb persons reasonably perfect in the language -
Webster's Dictionary [2]
(1): ( adv.) Moderately; tolerably.
(2): ( adv.) In a reasonable manner.